php解析json数组

  $json='[{"name":"qqdeliver","count":198,"average":119.8889},{"name":"load","count":259612,"average":141.9379},{"name":"gate","count":22480,"average":9.2209},{"name":"interact","count":40165,"average":429.3583},{"name":"save","count":2097845,"average":180.6606},{"name":"login","count":29239,"average":322.0906},{"name":"neighbour","count":24777,"average":368.9143},{"name":"updatesave","count":842358,"average":75.1193},{"name":"promotion","count":69417,"average":37.7616},{"name":"activity","count":22978,"average":5.4393},{"name":"message","count":49590,"average":172.3676},{"name":"admin","count":155,"average":750.3032},{"name":"qqpay","count":3078,"average":79.4916},{"name":"alliance","count":54091,"average":120.0409},{"name":"updates","count":189196,"average":54.6144},{"name":"friend","count":26259,"average":101.0704},{"name":"attack","count":8146,"average":205.2529}]';
  $obj=json_decode($json);
  //print_r($obj);
  foreach ( $obj as $unit ){
    echo $unit->name.'';
  }
?>

  $json='[{"name":"qqdeliver","count":198,"average":119.8889},{"name":"load","count":259612,"average":141.9379},{"name":"gate","count":22480,"average":9.2209},{"name":"interact","count":40165,"average":429.3583},{"name":"save","count":2097845,"average":180.6606},{"name":"login","count":29239,"average":322.0906},{"name":"neighbour","count":24777,"average":368.9143},{"name":"updatesave","count":842358,"average":75.1193},{name":"attack","count":8146,"average":205.2529}]';
  $obj=json_decode($json);
  //print_r($obj);
  foreach ( $obj as $unit ){
    echo $unit->name.'';
  }
?>